UFC Fight Night 144: Assuncao vs. Moraes 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on February 2, 2019, at Centro de Formação Olímpica do Nordeste in Fortaleza, Brazil. A rematch between Raphael Assunção and former WSOF Bantamweight Champion Marlon Moraes served as the event headliner. The pairing previously met in June 2017 at UFC 212 with Assunção winning the fight via split decision.

UFC 138: Leben vs. Muñoz was a mixed martial arts event held by the Ultimate Fighting Championship on November 5, 2011 at LG Arena in Birmingham, United Kingdom. The event aired on the same day, via tape delay, on Spike TV in the United States and live on Sportsnet in Canada. The event was the second that the UFC has hosted in Birmingham, the first was UFC 89 back in 2008 also featuring Chris Leben in the main event. The main event was the first non-title five round fight in the history of the UFC.

UFC Fight Night 6.5: Ortiz vs. Shamrock 3 was a mixed martial arts event held by the Ultimate Fighting Championship on October 10, 2006. The event took place at the Seminole Hard Rock Hotel and Casino in Hollywood, Florida and was broadcast live on Spike TV in the United States and Canada. The main event featured the third and final encounter between Tito Ortiz and Ken Shamrock. At UFC 61, the two fighters met for a second time, with Ortiz reigning victorious via technical knockout.

UFC Fight Night 67: Condit vs. Alves was a mixed martial arts event held on May 30, 2015, at the Goiânia Arena in Goiânia, Brazil. The event was headlined by a welterweight bout between former WEC & Interim UFC Welterweight champion Carlos Condit and veteran contender Thiago Alves.

UFC Fight Night 5: Leben vs. Silva was a mixed martial arts event held by the Ultimate Fighting Championship on June 28, 2006. The event took place at Hard Rock Hotel and Casino, in Las Vegas, Nevada. This event served as the coming out party for Anderson Silva, the future middleweight champion of the UFC.

UFC Fight Night 2: Loiseau vs. Tanner was a mixed martial arts event held by the Ultimate Fighting Championship on October 3, 2005. The event took place at the Hard Rock Hotel and Casino in Las Vegas, Nevada, and was broadcast live on Spike TV in the United States and Canada.

UFC on FX 2: Alves vs. Kampmann was a mixed martial arts event held live by the Ultimate Fighting Championship on Saturday March 3, 2012 at the Allphones Arena in Sydney, Australia. The event also made history by playing host the first ever flyweight fights in UFC history as part of the semifinals for the Flyweight Tournament, the winner of which would be crowned the inaugural UFC Flyweight Champion.

UFC Fight Night 126: Cowboy vs. Medeiros was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on February 18, 2018, at Frank Erwin Center in Austin, Texas, United States. A welterweight bout between former UFC Lightweight Championship challenger Donald Cerrone and Yancy Medeiros served as the event headliner.

UFC 78: Validation was a mixed martial arts event held by the Ultimate Fighting Championship (UFC), that took place on November 17, 2007 at the Prudential Center in Newark, New Jersey. Validation was the first UFC event held in New Jersey since June 4, 2005's UFC 53: Heavy Hitters in Atlantic City. The main event featured TUF 2 Heavyweight winner Rashad Evans against TUF 3 Light Heavyweight winner Michael Bisping in a light heavyweight contest.

UFC 66: Liddell vs. Ortiz was a mixed martial arts event held by the Ultimate Fighting Championship on December 30, 2006. UFC 66's main event was a championship fight with two of the UFC's biggest light heavyweight stars, Light Heavyweight Champion Chuck Liddell defending his title against former champion Tito Ortiz.

UFC 237: Namajunas vs. Andrade was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on May 11, 2019, at Jeunesse Arena in Rio de Janeiro, Brazil. A UFC Women's Strawweight Championship bout between current champion Rose Namajunas and Jéssica Andrade served as the event headliner.

UFC Fight Night 13: Florian vs. Lauzon was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) on April 2, 2008,[3] at the Broomfield Event Center in Broomfield, Colorado, United States.

UFC 90: Silva vs. Côté was a mixed martial arts (MMA) pay-per-view event held by the Ultimate Fighting Championship (UFC) on October 25, 2008, at the Allstate Arena in Rosemont, Illinois. The main event featured UFC Middleweight Champion Anderson Silva vs. number #1 contender Patrick Côté.

UFC 205: Alvarez vs. McGregor is a mixed martial arts event promoted by the Ultimate Fighting Championship held on November 12, 2016 at Madison Square Garden in New York City, New York. This event was the first UFC event hosted in New York City. It was also the first UFC event hosted in the state of New York after the longtime professional MMA ban was revoked in early 2016. The event was headlined by a UFC Lightweight Championship bout between then champion Eddie Alvarez and UFC Featherweight Champion Conor McGregor.

UFC 59: Reality Check was a mixed martial arts event held by the Ultimate Fighting Championship on April 15, 2006 at Arrowhead Pond, in Anaheim, California, and broadcast live on pay-per-view in the United States and Canada. This was the first-ever UFC event held in California after the state's legalization of mixed martial arts contests.

UFC on Fox 11: Werdum vs. Browne was a mixed martial arts event held by the Ultimate Fighting Championship on April 19, 2014, at the Amway Center in Orlando, Florida. The event was headlined by a heavyweight number one contenders bout between Fabrício Werdum and Travis Browne.

UFC 56: Full Force was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 2005. Headlining the card were the two coaches from The Ultimate Fighter 2, Rich Franklin and Matt Hughes, scheduled to defend their middleweight and welterweight titles, respectively.

UFC 183: Silva vs. Diaz was a mixed martial arts event held on January 31, 2015, at MGM Grand Garden Arena in Las Vegas, Nevada. The event was headlined by a middleweight bout between former UFC Middleweight champion Anderson Silva and former WEC & Strikeforce Welterweight champion Nick Diaz.

UFC 210: Cormier vs. Johnson 2 was a mixed martial arts event produced by the Ultimate Fighting Championship held on April 8, 2017, at the KeyBank Center in Buffalo, New York. A UFC Light Heavyweight Championship rematch between current champion Daniel Cormier and Anthony Johnson headlined the event. The pairing met previously in May 2015 at UFC 187 with Cormier winning the fight (and the vacant title) via submission in the third round.

UFC 100 was a mixed martial arts event produced by the Ultimate Fighting Championship (UFC) on July 11, 2009, in Las Vegas, Nevada. The main event was a rematch between UFC Heavyweight Champion Brock Lesnar and Interim UFC Heavyweight Champion Frank Mir.